$\lim_{x\to-2}\left(\frac{\left(5x+10\right)}{\left(3-sqrt\left(x+11\right)\right)}\right)$

$-\frac{4}{5}x+8$

$\frac{dy}{dx}\left(2x+xy^2=y^3\right)$

$-3cos2x-18sinx-8=-5sinx-6$

$\int\frac{lnt}{e^2}dx$

$4a^3b^2\cdot3a^6b^5$

$\left(\frac{x}{4}+3\right)\left(\frac{x}{4}-3\right)$